A study shows in'a certain scl module in a day is 26.8 hour normally distributed, a] What is the number of hou b) Find the probability that the

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section: Chapter Questions
Problem 25SGR
icon
Related questions
Question
Answer only
City of San Fernando, La Union
GIVEN:
A study shows in 'a certain school that the average number of hours a student answers his/her
module in a day is 26.8 hours, with a standard deviation of 5:57. Assuming that the data are
normally distributed.
aj What is the number of hours in answering modules of a certain student with az-score of 1.472
bị Find the prabablity that the number of hours spent by a student in answering his/her modules
is greater than 28 hours
c) Find the probability that the number of hours spent by astudent in answering his/her modules
is less than 42 hours
d) Find the probability that the numberof hours spent by a student in ainswering his/her modules
is between 19 hours and 28 hours.
e) If there were 2.780 students in that school. how many students spent between 15 and 41 houts
in answering his/her modules.
b)
c)
1964
City of San
d)
WISDON
BUILDS
Launion
Transcribed Image Text:City of San Fernando, La Union GIVEN: A study shows in 'a certain school that the average number of hours a student answers his/her module in a day is 26.8 hours, with a standard deviation of 5:57. Assuming that the data are normally distributed. aj What is the number of hours in answering modules of a certain student with az-score of 1.472 bị Find the prabablity that the number of hours spent by a student in answering his/her modules is greater than 28 hours c) Find the probability that the number of hours spent by astudent in answering his/her modules is less than 42 hours d) Find the probability that the numberof hours spent by a student in ainswering his/her modules is between 19 hours and 28 hours. e) If there were 2.780 students in that school. how many students spent between 15 and 41 houts in answering his/her modules. b) c) 1964 City of San d) WISDON BUILDS Launion
Expert Solution
steps

Step by step

Solved in 4 steps with 4 images

Blurred answer
Similar questions
Recommended textbooks for you
Glencoe Algebra 1, Student Edition, 9780079039897…
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill